turkey-yks 2018 Q9

turkey-yks · Other · yks-tyt Not Maths
For positive integers $a$, $b$, and $c$,
$$a(b + c)$$
the expression equals an odd number.
Accordingly,
I. $a^{b} + c$ II. $b^{c} + a$ III. $c^{a} + b$
Which of these expressions always equals an odd number?
A) Only II
B) Only III
C) I and II
D) II and III
E) I, II, and III
For positive integers $a$, $b$, and $c$,

$$a(b + c)$$

the expression equals an odd number.

Accordingly,

I. $a^{b} + c$\\
II. $b^{c} + a$\\
III. $c^{a} + b$

Which of these expressions always equals an odd number?

A) Only II\\
B) Only III\\
C) I and II\\
D) II and III\\
E) I, II, and III